This research aims to: 1) study the current, desirable condition, and needs of the transformational leadership model based on the Four Brahmavihara of the charity school administrators of the Buddhist Temple in Northeastern Region 3, 2) develop a framework for the transformational leadership model based on the Four Brahmavihara of the charity school administrators of the Buddhist Temple in Northeastern Region 3 and, 3) evaluate the framework for the transformational leadership model based on the Four Brahmavihara of the charity school administrators of the Buddhist Temple in Northeastern Region 3. This research adopts a mixed-methods approach, dividing the study into three phases of implementation. The research findings indicate that: 1) The current state and desired conditions have average scores that are high and highest, respectively. The average score for the desired conditions is higher than the current state in all aspects and issues. Moreover, the essential needs for the transformational leadership model based on the Four Brahmavihara, ranked in order of urgency using the Modified Priority Need Index (PNI modified) technique, are as follows: individualized consideration based on the Four Brahmavihara, intellectual stimulation based on the Four Brahmavihara, inspirational motivation based on the Four Brahmavihara, and idealized influence based on the Four Brahmavihara respectively. 2) The framework for leadership transformation based on the Four Brahmavihara comprises the following components: the framework's name, objectives, principles and concepts, and the content of each component. These components encompass the principles, concepts, objectives, content, integration according to the Four Brahmavihara, and expected outcomes. 3) The results of the evaluation of the framework for leadership transformation based on the Four Brahmavihara indicate that it is highly suitable, feasible, and beneficial.